High-Redshift Extragalactic Science with the Single Aperture Large Telescope for Universe Studies (SALTUS) Space Observatory
arxiv(2024)
摘要
This paper presents an overview of the high-redshift extragalactic science
case for the Single Aperture Large Telescope for Universe Studies (SALTUS)
far-infrared NASA probe-class mission concept. Enabled by its 14m primary
reflector, SALTUS offers enormous gains in spatial resolution and spectral
sensitivity over previous far-IR missions. SALTUS would be a versatile
observatory capable of responding to the scientific needs of the extragalactic
community in the 2030s, and a natural follow-on to the near- and mid-IR
capabilities of JWST. Key early-universe science goals for SALTUS focus on
understanding the role of galactic feedback processes in regulating galaxy
growth across cosmic time, and charting the rise of metals and dust from the
early universe to the present. This paper summarizes these science cases and
the performance metrics most relevant for high-redshift observations.
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